[llvm] [SPARC][IAS] Make 64-bit instructions available in 32-bit mode on V9 (PR #187534)

[Sergei Barannikov via llvm-commits]

s-barannikov wrote:

> This should allow usage of 64-bit instructions, like `sllx`/`srlx`, in inline assembly snippets in a source file otherwise intended to target 32-bit V9 processors, as done in, for example, the Linux kernel.

Sorry, this is not very clear to me. What is `32-bit V9 processor`?

https://github.com/llvm/llvm-project/pull/187534